多场耦合作用下<strong>GH4169</strong>合金变形行为与强韧化机制

多场耦合作用下GH4169合金变形行为与强韧化机制

王磊,安金岚,刘杨,宋秀

Deformation Behavior and Strengthening-Toughening Mechanism of GH4169 Alloy with Multi-Field Coupling

Lei WANG,Jinlan AN,Yang LIU,Xiu SONG

表1 GH4169合金耦合场拉伸性能

Table 1 Yield strength, ultimate strength and elongation of GH4169 alloy tensile deformed with multi-field coupling at elevated temperatures

Temperature / ℃	Frequency / Hz	σ_b / MPa	σ_s / MPa	δ_k / %
750	0	671	321	19.4
	10	670	333	19.2
	30	637	300	18.3
	40	515	325	21.8
800	0	542	443	9.2
	10	457	375	21.9
	30	420	358	26.2
	40	294	241	29.1
850	0	337	313	32.1
	10	264	229	33.9
	30	194	194	36.5
	40	151	151	40.3